gasoline refinement

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Silas D


Date added:

September 3, 2013








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When extracted from the earth, crude oil may have colors ranging from clear to jet black and resistance to flow or viscosity from water to a molasses type substance. Crude oil that is low in metals and sulfur content, light in color and flow easy are said to be "light" and cost more where those which are high in metal and sulfur content dark in color and must be heated to be fluid are called "heavy" and are less expensive...
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Light crude is less expensive to refine and heavy crude is more expensive to refine. The term "sweet" is used to define crude oil that is low in sulfurous compounds such as hydrogen sulfide and mercaptans, which is an organic compound, produced by decaying animals and plant matter and has bonded to a carbon atom...
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